Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/2159
Title: Chemical characterization of Cretan clays for the design of restoration mortars
Authors: Budak, Meral
Maravelaki-Kalaitzaki, Pagona
Kallithrakas-Kontos, Nikolaos
Keywords: Calcination
Clays and marly-limestone
Pozzolanic activity
EDXRF
FTIR
Issue Date: Aug-2008
Publisher: Springer Verlag
Source: Budak, M., Maravelaki-Kalaitzaki, P., and Kallithrakas-Kontos, N. (2008). Chemical characterization of Cretan clays for the design of restoration mortars. Microchimica Acta, 162(3-4), 325-331. doi:10.1007/s00604-007-0927-4
Abstract: Three clays and a marly-limestone from the West of Chania, Crete, fired at temperatures ranging from 200 to 1200°C, were characterized by XRD, FTIR, EDXRF and wet chemical analyses. The aim of this study was to assess the pozzolanic and hydraulic properties of these materials for potential use as binders in the design of restoration mortars. The mineralogical composition of the clays is quartz, illite, calcite, plagioclase, kaolinite and hematite. The identification of larnite and gehlenite in the calcined marly-limestone established it as potential cementious binder. Among the clays, one with low amount of calcite and considerable kaolinite content exhibited the best pozzolanic activity upon heating at 600°C. Therefore, it can be considered as an appropriate material for restoration purposes. It is deduced that the pozzolanic activity of fired clays is greatly dependent on the firing temperature and is enhanced in clays containing low calcite and high kaolinite amounts. © 2008 Springer-Verlag.
URI: http://doi.org/10.1007/s00604-007-0927-4
http://hdl.handle.net/11147/2159
ISSN: 0026-3672
0026-3672
1436-5073
Appears in Collections:Chemical Engineering / Kimya Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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